Factor Info

ID 131297
Size 639 digits / 2121 bits
Status composite
Value 154861312612172512750086643630674409395246698565605085957061731695433809916162658607821822237654858720970202953462377493973245215401711943551727952869537546609200704541983321202034298443224838144437067180435855247364556928593765519275205446714643559810107408479306574206394928382175572243296967309104531395549968442689867211962306861905426647710139808779105243783141153295825297433086196842909128917837500808383988657594452505117662856569598839897914322982366703657508617677636103952915530909039522217026126999748463488075579606340898768749477833910736985977102089259448143493083852913464458255949796624982968730680057061449834193987737041

Factorizations

Primary (ID: 9092) 5474303442249842401513080472803833316281938081 (proven prime)
(ID: 131298) 28288770296687689246896206920789909618578364818562768878504122677760637456485758090378521139615668133263294868423479885680832412611513311885366638662562077238113284574110408157494099959541073088163194082717170667114115418473600531902261287901089482753900692341871042725706848232309391383053877959369947479599211672592809706906765046812118290648939364438034475219211195327882832432660543471192692444450221460002618216386491588123941262587261329748071461955265815434036968604361910141723363016490938833976629049294217294282042008137649688966011530452776939694948711807788711698227819145597626161 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.